My supervisor now requires me to change a PDA program written in C# to C++, but I have never touched MFC. I looked at it a few days ago and it was too depressing. I have worked on embedded QT for a wh...
The code is as follows. The status bar and toolbar can be displayed normally, but the menu is not displayed. What's going on? Urgent [code] if (!m_wndStatusBar.Create(this) || !m_wndToolBar.CreateEx(t...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:37[/i] This year's Hubei Province Electronic Design Competition introduced the grid connection technology in the power supply category predic...
I am a novice and just started to learn CCS. I searched online and found no beginner tutorials for the C6000 series. Can anyone give me a link to download the tutorial?...
If there is no DTR pin in the serial port, how to use AT commands to connect GPRS? After sending "AT"; "AT+CGDCONT=1,\"IP\",\"CMNET\""; "AT*E2IPA=1,1"; is it necessary to give a DTR pulse before sendi...
Hello~ Everyone~ The new week's review information is here~~ Tomorrow is National Day~ I wish you all a happy holiday! Let's get back to the topic, let's take a look at the latest review information~A...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
